Posted inPhilosophy Statistics
Let’s Try This Time Series Thing Again: Part V
Part I, II, III, IV, V. We started by assuming each X was measured without error, that each observation was perfectly certain. This is not always so for real X.…
Posted inPhilosophy Statistics
Let’s Try This Time Series Thing Again: Part IV
Part I, II, III, IV, V. We have before us X1 to X156. We started by assuming that something, called T, caused these data to take the values it did.…
Posted inPhilosophy Statistics
Let’s Try This Time Series Thing Again: Part III
Part I, II, III, IV, V. The objection which will occur to those, Lord help them, who have had some statistical training is that "increased" means a combination of "linear…
Posted inPhilosophy Statistics
Let’s Try This Time Series Thing Again: Part II
Part I, II, III, IV, V. Before us are the observations X1 to X156. Recall we are assuming that each of these X has been measured without any error. Given…
Posted inStatistics
Let’s Try This Time Series Thing Again: Part I
This series originally began 5 February 2012. Part I, II, III, IV, V. We've gone on and on about how to think about time series, but we are having trouble…
Posted inCulture Fun Statistics
Should Scientists Be Held Legally Responsible for Their Results?
That title is lifted from Popular Science's brief article. The idea is that scientists---as philosopher Christopher Essex reminded me, just like doctors and accountants and businessmen and engineers and everybody…
Posted inFun Statistics
How To Maximize The Chance Of Winning The Office Super Bowl Pool
Forget climatology. It's time for something really controversial. How to fill in those grid squares on the Super Bowl office pool. An example of one is shown below. The full…
Posted inStatistics
Bad Astronomer Does Bad Statistics: That Wall Street Journal Editorial
Remember when I said how you shouldn't draw straight lines in time series and then speak of the line as if the line was the data itself? About how the…